/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.hive;
import com.facebook.presto.hive.shaded.org.apache.thrift.transport.TSocket;
import com.facebook.presto.hive.shaded.org.apache.thrift.transport.TTransport;
import com.facebook.presto.hive.shaded.org.apache.thrift.transport.TTransportException;
import com.google.common.net.HostAndPort;
import com.google.common.primitives.Ints;
import com.google.inject.Inject;
import io.airlift.units.Duration;
import javax.annotation.Nullable;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.Socket;
import java.net.SocketAddress;
import static com.google.common.base.Preconditions.checkNotNull;
public class HiveMetastoreClientFactory
{
private final HostAndPort socksProxy;
private final Duration timeout;
public HiveMetastoreClientFactory(@Nullable HostAndPort socksProxy, Duration timeout)
{
this.socksProxy = socksProxy;
this.timeout = checkNotNull(timeout, "timeout is null");
}
@Inject
public HiveMetastoreClientFactory(HiveClientConfig config)
{
this(config.getMetastoreSocksProxy(), config.getMetastoreTimeout());
}
@SuppressWarnings("SocketOpenedButNotSafelyClosed")
public HiveMetastoreClient create(String host, int port)
throws TTransportException
{
TTransport transport;
if (socksProxy == null) {
transport = new TSocket(host, port, (int) timeout.toMillis());
transport.open();
}
else {
SocketAddress address = InetSocketAddress.createUnresolved(socksProxy.getHostText(), socksProxy.getPort());
Socket socks = new Socket(new Proxy(Proxy.Type.SOCKS, address));
try {
socks.connect(InetSocketAddress.createUnresolved(host, port), (int) timeout.toMillis());
socks.setSoTimeout(Ints.checkedCast(timeout.toMillis()));
}
catch (IOException e) {
throw new TTransportException(e);
}
transport = new TSocket(socks);
}
return new HiveMetastoreClient(transport);
}
}